Determine the square root to two decimal places.
a. √10 b. √75 c. √5
d. √17 e. √69 f. √28
g. √89 h.√34 i. √47
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What is the value of r of the geometric series?

X+ y = 5 ; x - y =3 solve using linear combination

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?